html { font-size: 16px !important; }

:root {
  --ink: #0f0f0f;
  --paper: #faf8f5;
  --orange: #e8572a;
  --orange-glow: rgba(232,87,42,0.12);
  --teal: #0ea595;
  --teal-glow: rgba(14,165,149,0.10);
  --gray-600: #555;
  --gray-400: #999;
  --gray-200: #e0ddd8;
  --gray-100: #f0eeea;
  --radius: 20px;
  --mono: 'IBM Plex Mono', monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Noto Sans JP',sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.85;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Zen Maru Gothic',sans-serif;line-height:1.35;}
.container{max-width:840px;margin:0 auto;padding:0 24px;}

/* ── NAV ── */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,248,245,0.8);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(0,0,0,0.04);
}
.nav-inner{
  max-width:840px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{
  font-family:var(--mono);font-weight:600;font-size:1.2rem;
  color:var(--ink);text-decoration:none;letter-spacing:0.05em;
}
.nav-logo span{color:var(--orange);}
.nav-cta{
  background:var(--ink);color:var(--paper);
  padding:12px 28px;border-radius:100px;
  text-decoration:none;font-weight:700;font-size:1rem;
  letter-spacing:0.02em;transition:all 0.3s;
}
.nav-cta:hover{background:var(--orange);}

/* ── HERO: SPECTRUM ── */
.hero{padding:130px 0 60px;position:relative;}
.hero-eyecatch{
  font-family:var(--mono);font-size:1rem;
  color:var(--orange);letter-spacing:0.1em;
  text-transform:uppercase;margin-bottom:28px;
  display:flex;align-items:center;gap:8px;
}
.hero-eyecatch::before{
  content:'';width:32px;height:2px;background:var(--orange);
}
.hero h1{
  font-size:clamp(1.8rem,5vw,2.8rem);
  font-weight:900;margin-bottom:20px;
}
.hero h1 .strike{
  text-decoration:line-through;
  text-decoration-color:var(--orange);
  text-decoration-thickness:3px;
  opacity:0.45;
}

/* ── SPECTRUM BAR ── */
.spectrum{
  margin:40px 0 48px;
  background:var(--gray-100);
  border-radius:var(--radius);
  padding:32px;
  position:relative;
}
.spectrum-label{
  font-family:var(--mono);font-size:1rem;
  color:var(--ink);letter-spacing:0.08em;
  text-transform:uppercase;margin-bottom:16px;
}
.spectrum-bar{
  height:8px;border-radius:99px;
  background:linear-gradient(90deg, #ff4d4d 0%, var(--orange) 35%, var(--teal) 65%, #1a3a5c 100%);
  position:relative;margin-bottom:12px;
}
.spectrum-marker{
  position:absolute;
  top:-8px;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--paper);
  border:3px solid var(--ink);
  box-shadow:0 2px 12px rgba(0,0,0,0.15);
  transition:left 1.5s cubic-bezier(0.34,1.56,0.64,1);
}
.spectrum-labels{
  display:flex;justify-content:space-between;
  font-size:1rem;color:var(--ink);
}
.spectrum-labels span:first-child{color:#ff4d4d;font-weight:700;}
.spectrum-labels span:last-child{color:#1a3a5c;font-weight:700;}
.spectrum-you{
  text-align:center;
  margin-top:16px;
  font-family:'Zen Maru Gothic',sans-serif;
  font-weight:700;font-size:1.05rem;
  opacity:0;transition:opacity 0.5s 1.2s;
}
.spectrum.visible .spectrum-you{opacity:1;}

/* ── COMPARISON ROAST ── */
.roast{padding:60px 0;}
.roast-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-bottom:32px;
}
@media(max-width:640px){.roast-grid{grid-template-columns:1fr;}}
.roast-card{
  border-radius:var(--radius);padding:28px;
  position:relative;overflow:hidden;
}
.roast-card.bad-left{
  background:#fff5f5;border:2px solid #ffcccb;
}
.roast-card.bad-right{
  background:#f0f4f8;border:2px solid #c8d6e5;
}
.roast-card h3{font-size:1.2rem;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.roast-card ul{list-style:none;display:flex;flex-direction:column;gap:8px;}
.roast-card li{
  font-size:1rem;color:var(--ink);
  padding-left:20px;position:relative;
}
.roast-card li::before{
  content:'×';position:absolute;left:0;
  font-weight:700;color:inherit;opacity:0.4;
}
.roast-card.bad-left li::before{color:#ff4d4d;}
.roast-card.bad-right li::before{color:#1a3a5c;}
.roast-punchline{
  text-align:center;
  font-family:'Zen Maru Gothic',sans-serif;
  font-size:1.5rem;font-weight:900;
  padding:32px;
  background:linear-gradient(135deg, var(--orange-glow), var(--teal-glow));
  border-radius:var(--radius);
}
.roast-punchline span{
  background:linear-gradient(135deg,var(--orange),var(--teal));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ── CHAT DIAGNOSIS ── */
.diag{padding:80px 0;}
.diag-header{text-align:center;margin-bottom:32px;}
.diag-header h2{font-size:1.8rem;margin-bottom:8px;}
.diag-header p{color:var(--ink);font-size:1rem;}

.chat-window{
  max-width:560px;margin:0 auto;
  background:#fff;border-radius:var(--radius);
  box-shadow:0 8px 40px rgba(0,0,0,0.06);
  overflow:hidden;
  border:1px solid var(--gray-200);
}
.chat-topbar{
  background:var(--ink);color:var(--paper);
  padding:14px 20px;
  font-family:var(--mono);font-size:1rem;
  display:flex;align-items:center;gap:8px;
  letter-spacing:0.05em;
}
.chat-topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:blink 2s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:0.3;}}
.chat-body{
  padding:20px;
  min-height:320px;
  display:flex;flex-direction:column;gap:12px;
  overflow-y:auto;max-height:480px;
}
.msg{
  max-width:85%;padding:12px 16px;
  border-radius:16px;font-size:1rem;
  line-height:1.6;
  animation:msgIn 0.4s ease-out both;
}
@keyframes msgIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.msg.bot{
  background:var(--gray-100);
  align-self:flex-start;
  border-bottom-left-radius:4px;
}
.msg.user{
  background:var(--ink);color:var(--paper);
  align-self:flex-end;
  border-bottom-right-radius:4px;
}
.msg.typing .dots{display:inline-flex;gap:4px;}
.msg.typing .dots span{
  width:6px;height:6px;border-radius:50%;
  background:var(--gray-400);
  animation:dotBounce 1.2s infinite;
}
.msg.typing .dots span:nth-child(2){animation-delay:0.2s;}
.msg.typing .dots span:nth-child(3){animation-delay:0.4s;}
@keyframes dotBounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}

.chat-options{
  padding:0 20px 20px;
  display:flex;flex-direction:column;gap:8px;
}
.chat-opt{
  background:var(--paper);
  border:2px solid var(--gray-200);
  border-radius:12px;
  padding:12px 16px;
  font-size:1rem;
  font-weight:500;
  cursor:pointer;
  transition:all 0.25s;
  text-align:left;
  font-family:'Noto Sans JP',sans-serif;
}
.chat-opt:hover{border-color:var(--orange);background:var(--orange-glow);color:var(--orange);}
.chat-opt:active{transform:scale(0.98);}
.chat-opt.selected{
  border-color:var(--orange);background:var(--orange);
  color:var(--paper);pointer-events:none;
}

/* ── RESULT CARD ── */
.result-card{
  margin:0 20px 20px;padding:24px;
  border-radius:16px;
  background:linear-gradient(135deg, var(--orange-glow) 0%, var(--teal-glow) 100%);
  border:2px solid var(--orange);
  text-align:center;
  animation:msgIn 0.5s ease-out both;
}
.result-card .result-type{
  font-family:var(--mono);font-size:1rem;
  color:var(--orange);letter-spacing:0.1em;
  text-transform:uppercase;margin-bottom:8px;
}
.result-card h3{font-size:1.3rem;margin-bottom:8px;}
.result-card p{font-size:1rem;color:var(--ink);margin-bottom:16px;}
.result-card a{
  display:inline-block;
  background:var(--orange);color:var(--paper);
  padding:12px 28px;border-radius:100px;
  text-decoration:none;font-weight:700;font-size:1rem;
  transition:all 0.3s;
}
.result-card a:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,87,42,0.3);}

/* ── WHAT WE DO (SCROLLING CARDS) ── */
.what{padding:80px 0;}
.what h2{font-size:1.8rem;margin-bottom:8px;}
.what .subtitle{color:var(--ink);font-size:1rem;margin-bottom:40px;}
.what-cards{display:flex;flex-direction:column;gap:16px;}
.what-card{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  align-items:start;
  background:#fff;border-radius:var(--radius);
  padding:28px;
  border:1px solid var(--gray-200);
  transition:opacity 0.3s,margin-left 0.3s;
  opacity:0;margin-left:-20px;
}
.what-card.visible{opacity:1;margin-left:0;}
.what-card:hover{box-shadow:0 8px 32px rgba(0,0,0,0.06);border-color:var(--orange);}
.what-num{
  font-family:var(--mono);font-size:2rem;font-weight:600;
  color:var(--orange);
  line-height:1.5;padding:4px 0;
}
.what-card h3{font-size:1.15rem;font-weight:700;margin-bottom:6px;}
.what-card p{font-size:1rem;color:var(--ink);}
.what-card .tag{
  display:inline-block;margin-top:10px;
  font-family:var(--mono);font-size:1rem;
  color:var(--teal);background:var(--teal-glow);
  padding:3px 10px;border-radius:100px;
}

/* ── PRICING ROI (LP1 override: teal) ── */
.pricing-roi{
  text-align:center;margin-top:20px;
  font-family:'Zen Maru Gothic',sans-serif;
  font-weight:700;font-size:1rem;
  color:var(--teal);
  padding:12px 20px;
  background:var(--teal-glow);
  border-radius:100px;
  display:inline-block;
  width:100%;
}

/* ── FOOTER ── */
footer{padding:32px 0;text-align:center;font-size:1rem;color:var(--ink);}
.footer-lp__copyright{margin:0;}
.footer-lp__company-link{margin:8px 0 0;}
.footer-lp__company-link a{color:var(--ink);text-decoration:underline;}
.footer-lp__company-link a:hover{color:var(--gray-300);}

/* ── SCROLL ANIM ── */
.js-enabled .sf{opacity:0;transform:translateY(24px);transition:opacity 0.6s,transform 0.6s;}
.js-enabled .sf.visible{opacity:1;transform:translateY(0);}

/* ── MOBILE ── */
@media(max-width:640px){
  .hero{padding:110px 0 50px;}
  .roast-grid{gap:12px;}
  .what-card{grid-template-columns:1fr;gap:8px;}
  .what-num{font-size:1.2rem;}
}